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January 24, 2010 | History

Viability and differentiation of smooth muscle progenitor cells on altered forms of collagen matrix 1 edition

Viability and differentiation of smooth muscle progenitor cells on alt ...
Clifford Lin

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Viability and differentiation of smooth muscle progenitor cells on altered forms of collagen matrix.

Published 2005 .
Written in English.

About the Book

Cells isolated from murine bone marrow (BM) can be driven to become smooth muscle progenitor cells (SPC) that express smooth muscle-specific (SM) markers at levels equivalent to those found in primary aortic SM cell cultures. SM alpha-actin, SM22-alpha and SM-MHC mRNA expression was 2386, 312 and 1.2-fold greater than BM at 10d, and 5143, 573, and 13.8-fold greater than BM at 21d, respectively. The presence of 50ng/mL PDGF-BB reversibly lowered SM marker mRNA and protein expression. Compared to fibrillar collagen (fCol), SPCs cultured on non-fibrillar collagen (mCol) exhibited 2.8-fold decreased SM alpha-actin expression by 72h, 5.3-fold increased apoptosis, and 4.3-fold decreased proliferation by 72h. SPCs on mCol were spindle-shaped, with disorganized cytoskeletal elements, whereas SPCs on fCol were flattened and polygonal with a mature cytoskeleton in a stress-fibre orientation. These results suggest that accumulation of PDGF-BB and non-fibrillar collagen in diseased vasculature may negatively affect the regenerative potential of SPCs.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0959.

Thesis (M.A.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

Pagination
128 leaves.
Number of pages
128

ID Numbers

Open Library
OL19216170M
ISBN 10
0494071079

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page